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Patent US1511956A successfully refreshed from Google Patents.
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US1511956A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock mechanism

Assignee: Individual
•
Filing: 1923-03-19
•
Granted: 1924-10-14
•
Expires: 1943-03-19
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Abstract

No abstract record available.

Inventors

  • 👤 Flagg Ernest

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 04:49
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/24; E05B63/244; Y; Y10; Y10S; Y10S292/00; Y10S292/27; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0993; Y10T292/1014; Y10T292/1018; Y10T292/1022; Y10T292/1031; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5496

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1927-10-14 1928-04-14 1928-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1931-10-14 1932-04-14 1932-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1935-10-14 1936-04-14 1936-10-14 $7700.00 Window Closed / Lapsed

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